Exercise: Automatic Control Systems

Questions for: Automatic Control Systems

Robotic manipulator arms mostly use
A:
hydraulic actuator
B:
pneumatic actuator
C:
electric motor actuator
D:
none of the above
Answer: C
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The sensor generally used in incremental optical encoder is
A:
LED
B:
LCD
C:
photodiode
D:
either (a) or (b)
Answer: C
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If , the closed loop pole will be located at s = -12 when K =
A:
4355
B:
5760
C:
9600
D:
9862
Answer: B
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Assertion (A): When performance specifications are given in term of transient response characteristics, root locus method is a suitable method.

Reason (R): When performance specifications in terms of state variables are given, modern control methods can be used.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct but R is wrong
D:
R is correct but A is wrong
Answer: B
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If the poles lie in second quadrant, damping ratio is
A:
1
B:
less than 1
C:
zero
D:
more than 1
Answer: B
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